25832399 has 2 divisors, whose sum is σ = 25832400. Its totient is φ = 25832398.

The previous prime is 25832371. The next prime is 25832423. The reversal of 25832399 is 99323852.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25832399 - 2¹² = 25828303 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25832329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12916199 + 12916200.

It is an arithmetic number, because the mean of its divisors is an integer number (12916200).

Almost surely, 2^25832399 is an apocalyptic number.

25832399 is a deficient number, since it is larger than the sum of its proper divisors (1).

25832399 is an equidigital number, since it uses as much as digits as its factorization.

25832399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 41.

The square root of 25832399 is about 5082.5583125037. The cubic root of 25832399 is about 295.6116734782.

The spelling of 25832399 in words is "twenty-five million, eight hundred thirty-two thousand, three hundred ninety-nine".